Ken Chapman
Xilinx

Although the SRL16E 16-bit shift register sounds like an additional component, it is an alternate operating mode for the Look-Up Tables in which they become 16-bit shift registers. While a synthesis package will automatically apply the SRL16E in some situations, substantial benefits can be realized by understanding the potential of the SRL16E and deliberately applying it to your designs.

This white paper provides examples to help your understanding of the capabilities and use of the SRL16E to improve the performance and lower the cost of your designs by as much as an order of magnitude.